a complete/dramatic/sudden reversal of policy
政策的全面╱剧烈╱突然转变
the reversal of a decision
决定的撤销
The government suffered a total reversal of fortune(s) last week.
上星期，政府的命运发生了逆转。
the team's recent reversal
球队最近的失败
The company's financial problems were only a temporary reversal.
公司的财务问题只是暂时的挫折。
It's a complete role reversal/reversal of roles(= for example when a husband cares for the house and children while the wife works) .
这是一种彻底的角色转换。
1.颠倒,倒转,反转,逆转,反向;反复
2.【法】撤消
3.【摄】正负片之间的转换
1.a change in something, so that it becomes the opposite of what it was
2.a problem, difficulty, or failure that prevents you from being successful
3.a situation in which you and another person trade your activities or status
1.This, if you think about it from a broad historical perspective, is quite a reversal.
如果从更广泛的历史角度去考虑，这确实是反向思维。
2.The constant reversal of the piston travel sets up inertia forces, which increase Both with the weight of the piston and with its speed.
活塞的不断往复运动产生了惯性力，惯性力随活塞的重量及其速度的增加而增大。
3.Such a reversal could not be accomplished unless Roosevelt had a strong majority in Congress.
除非罗斯福在国会有强有力多数，这种突然转向是不可能的。
4.For a neutral observer who wishes the greatest well-being for the greatest number of people, the reversal of that trend is good news.
对一个希望最大多数的人获得最大幸福的中立观察者来说，这种趋势的逆转是一个好消息。
5.And in a complete reversal the disinterested, shy or bashful look sideways a woman often gives is not the brush-off most men thought it was.
女人经常会漠然或害羞地看向一边，这根本不是大多数男人以为的在表示拒绝。
6.I clearly explained that life after a polar reversal is nothing but horror, pure unimaginable horror.
我清楚地解释说，生活在极地逆转，不过是恐怖片，纯难以想象的恐怖。
7.It may seem like a reversal of the traditional roles for women to look after the finances - but it's not the only one.
掌握家庭财政大权可能并不属于传统社会赋予女性的权利——但当今社会女性获得的权利又何止这些！
8.It is worth remembering that this was an astonishing reversal of ANC policy.
值得记取的是，这是非国大政策惊心动魄的转折点。
9.The disappearance of the Earth's magnetic field and with no doubt reversal between biology major contradiction.
地球磁场的消失和逆转无疑与生物学之间有大矛盾。
10.To determine the reversal error, the loading cycle is to be absorbed up to the nominal force.
为了确定反转误差，载重循环要能承受起标准力。